/**
 * task.h is part of Gedule.
 *
 * Gedule is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Gedule is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Gedule.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef TASK_H
#define TASK_H

#include "../utils/visitor/visitable.h"
#include "../utils/printable.h"
#include "definitions.h"

// Forward declarations.
class TaskConstraint;
class Visitor;

class Task : public Visitable, public Printable
{
public:

    Task( const std::string & a_taskName = UNNAMED );

    virtual ~Task();

    virtual void Accept( Visitor * a_visitor, bool a_depthFirst = true );

    virtual std::string Print() const;

    void TaskName( const std::string & a_taskName );

    const std::string & TaskName() const;

    void Add( TaskConstraint * a_constraint );

    std::size_t NConstraints() const;

private:

    // Fields
    // ------

    std::string      m_taskName;
    tTaskConstraints m_constraints;

    // Methods
    // -------

    void ClearConstraints();

    std::string PrintConstraints() const;

    void VisitConstraints( Visitor * a_visitor, bool a_depthFirst = true );

    // Protect default copy constructor.
    Task( const Task & a_other );

    // Protect default operator =.
    Task & operator = ( const Task & a_other );

};

#endif // TASK_H
